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To prank, or intentionally screw someone over purely for comedic purposes.
Dave -did you put sugar in my gas tank ?
Paul- HAHA Yeah
Dave-I can't start my car now man.. Why would you do that?
Paul- I did it as a goof.
Paul- I did it as a god damn goof!
by Champagne Taster May 21, 2017
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The Canadian equivalent of the american term, punk. A word used in the Canadian prison system to describe informers, molestors, child killers and all inmates segregated from the general population in protective custody. In a looser sense, anyone who has become hated by the prison population in general for suspect behaviour, or irritating behaviour may be thought of as a goof.

To be called a goof, espescially if not true must be met by instant violence or you will lose all respect formerly given to you. If this isn't done, or you are incapable of defending yourself you may as well "check in." (ask to be moved to P.C., protective custody)
" You'd better check in dude, that guy called you a goof and you didn't answer." "That was a big mistake, even if you had ended up taking a beating it would have been better than doing your bit in p.c. with all those goof rats, skinners and kiddy diddlers." "Oh yeah, by the way, don't talk to me anymore. I don't want to be seen talking to a goof from p.c."
by zigzzagz October 28, 2012
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goof Slang. noun
1. An incompetent, foolish, or stupid
2. A careless mistake; a slip.

goofed, goofing, goofs verb, intransitive
1. To make a silly mistake;
2. To waste or kill time.

verb, transitive
To spoil, as through clumsiness;
bungle: goof up a job.
by Achilles March 17, 2004
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the lowest of the low. a bottom feeder. Prison term for bitch. Fighting words in some cities.
by JamieP June 26, 2005
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Noun, Singular;

1. someone who is loveable in a funny, silly way.

2. Chaplinesque
Everyone at home called him goofs, and he loved it.
by Kapu Dada June 10, 2013
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a goof is a child molester in prison that likes young boys.they must be kept in protective custody. quite often murdered or beaten into comas.
to snuff a goof would be glory
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Someone who has been arrested, charged and imprisoned for child molestation. Used only as an insult, highly offensive
"Yo, I hear the new guy's a goof"
by Drail June 05, 2005
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